package level_one;

import java.util.Scanner;

public class Six {
    public static void main(String[] args) {
        System.out.println("请你的分数");
        int score = new Scanner(System.in).nextInt();
        if (score >=90 && score <=100) {
            System.out.println("A");
        } else if (score >=80 && score <90) {
            System.out.println("B");
        } else if (score >=70 && score <80) {
            System.out.println("C");
        } else if (score >=60 && score <70) {
            System.out.println("D");
        } else if (score >=0 && score <60) {
            System.out.println("E");
        }else {
            System.out.println("分数必须处于0-100之间");
        }

    }
}

